123874371799 has 2 divisors, whose sum is σ = 123874371800. Its totient is φ = 123874371798.

The previous prime is 123874371743. The next prime is 123874371821. The reversal of 123874371799 is 997173478321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123874371799 - 2⁷ = 123874371671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123874371499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61937185899 + 61937185900.

It is an arithmetic number, because the mean of its divisors is an integer number (61937185900).

Almost surely, 2^123874371799 is an apocalyptic number.

123874371799 is a deficient number, since it is larger than the sum of its proper divisors (1).

123874371799 is an equidigital number, since it uses as much as digits as its factorization.

123874371799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16003008, while the sum is 61.

The spelling of 123874371799 in words is "one hundred twenty-three billion, eight hundred seventy-four million, three hundred seventy-one thousand, seven hundred ninety-nine".